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Deven John Efta
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Moorhead, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Alloy for cast iron repair
Patent number
9,975,208
Issue date
May 22, 2018
Caterpillar Inc.
Tomasz J. Chojnacki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Check valve for an engine breather assembly
Patent number
8,893,690
Issue date
Nov 25, 2014
Caterpillar Inc.
Deven John Efta
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF REMANUFACTURING A WHEEL HOUSING
Publication number
20150108828
Publication date
Apr 23, 2015
Caterpillar Inc.
Donald G. Clark
B60 - VEHICLES IN GENERAL
Information
Patent Application
SYSTEM AND METHOD FOR SALVAGING A PIN-BORE ASSEMBLY
Publication number
20150105212
Publication date
Apr 16, 2015
Caterpillar Inc.
Curtis J. Graham
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Check Valve for an Engine Breather Assembly
Publication number
20130298885
Publication date
Nov 14, 2013
Caterpillar, Inc.
Deven John Efta
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES